NASDAQ: REGN
Regeneron Pharmaceuticals Inc Stock Ownership - Who owns Regeneron Pharmaceuticals?

Insider buying vs selling

Have Regeneron Pharmaceuticals Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Arthur F. RyanDirector2026-03-027$777.46
$5.44kSell
Arthur F. RyanDirector2026-03-0220$789.28
$15.79kSell
Arthur F. RyanDirector2026-03-0220$788.96
$15.78kSell
Arthur F. RyanDirector2026-03-022$787.34
$1.57kSell
Arthur F. RyanDirector2026-03-027$786.61
$5.51kSell
Arthur F. RyanDirector2026-03-0211$785.48
$8.64kSell
Arthur F. RyanDirector2026-03-029$784.48
$7.06kSell
Arthur F. RyanDirector2026-03-0210$783.62
$7.84kSell
Arthur F. RyanDirector2026-03-022$782.62
$1.57kSell
Arthur F. RyanDirector2026-03-022$781.21
$1.56kSell

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Net Insider Buy/Sell (L12M) Ownership

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REGN Shareholders

What type of owners hold Regeneron Pharmaceuticals Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Sanofi34.54%36,518,618$27.17BInsider
Vanguard Group Inc8.58%9,075,153$6.75BInstitution
Blackrock Inc8.27%8,741,270$6.50BInstitution
State Street Corp4.41%4,660,808$3.47BInstitution
Dodge Cox4.35%4,596,358$3.42BInstitution
Jpmorgan Chase Co3.73%3,940,160$2.93BInstitution
Franklin Resources Inc2.42%2,560,004$1.90BInstitution
Geode Capital Management LLC2.38%2,519,540$1.87BInstitution
Fmr LLC2.19%2,319,566$1.73BInstitution
Nuveen LLC1.90%2,010,517$1.50BInstitution

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REGN vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
REGN68.82%31.18%Net SellingNet Selling
ARGX48.47%0.00%
ALNY82.36%17.64%Net SellingNet Selling
VRTX92.81%1.52%Net SellingNet Selling
ONC2.35%32.03%Net BuyingNet Buying

Regeneron Pharmaceuticals Stock Ownership FAQ

Who owns Regeneron Pharmaceuticals?

Regeneron Pharmaceuticals (NASDAQ: REGN) is owned by 84.41% institutional shareholders, 38.23% Regeneron Pharmaceuticals insiders, and 0.00% retail investors. Sanofi is the largest individual Regeneron Pharmaceuticals shareholder, owning 36.52M shares representing 34.54% of the company. Sanofi's Regeneron Pharmaceuticals shares are currently valued at $26.93B.

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